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you can never tell how many times you yawn because we all yawn at different rates
When we are sleepy or drowsy then our lungs don't take enough oxygen which increases carbon dioxide in our body. The brain senses this and sends us a messages that causes us to yawn. By Akhilesh Sharma
No. They yawn for the same reasons we do.
the homophone for yawn is.............you! haha get it lol
sworn mourn prawn lawn torn born dawn horn thorn worn warn yawn
they yawn because when you yawn it passes on to other people . so you yawn then someone's right next to you then i think they inhale then they start to yawn ?
yes they yawn quietly
No whales do not yawn.
how do you know you yawn if you are sleeping?
Yes, yawn is an onomatopoeia.
The typical written expression for a yawn sound is "ho hum."
Insects do not yawn. People necessarily do not yawn only when they are tired. Most people, after reading this, will yawn.